iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-01-23T18:08:39Z. The update package is 371.94 MB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d4f5e179c9d72006a028cee0222b183fc8afbbf1.zip.